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Upgrading Database Compatibility Levels Across a Whole Instance

2026-06-20 · by Hannah Vernon · in configuration

The instance upgrade went perfectly. You moved from SQL Server 2019 to 2022, the installer turned green, the services came back up, and the application connected on the first try. A week later someone asks…

Why Resource Governor Ignores Your SQL Server Agent Job Owner

2026-06-19 · by Hannah Vernon · in SQL Server Agent

You did everything right. Resource Governor is configured, you have a workload group that caps CPU and memory so one runaway job cannot starve everything else, and you have a classifier function that reads the…

Lock Escalation, and Why You Shouldn’t Disable It!

2026-04-30 · by Hannah Vernon · in Internals, performance

Lock escalation affects every SQL Server database. Understanding when and why SQL Server escalates row-level locks to table locks and what you can do about it is essential knowledge for any DBA managing concurrent workloads.

Memory Grant Analysis with AI

2026-04-23 · by Hannah Vernon · in AI for DBAs

Find queries with excessive memory grants, tempdb spills, and RESOURCE_SEMAPHORE waits using AI analysis.

Blocking Chain Triage with AI

2026-04-23 · by Hannah Vernon · in AI for DBAs

Analyze blocking chains with AI to identify head blockers and get actionable resolution steps.

CXPACKET and CXCONSUMER Waits: AI-Assisted Diagnosis

2026-04-23 · by Hannah Vernon · in AI for DBAs

Use AI to diagnose CXPACKET/CXCONSUMER waits, tune MAXDOP, and avoid setting MAXDOP=1 globally.

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